virtualmech / Mbed 2 deprecated VmRecorderV1dot8

Versión de Firmware con funciones de RAM incorporadas.

Dependencies:   mbed

Fork of VmRecorderV1dot1 by virtualmech

RingBuffer/Buffering.cpp@2:e818c80e6d5c, 2015-07-14 (annotated)

Committer:
JuanManuelAmador
Date:
Tue Jul 14 08:34:11 2015 +0000
Revision:
2:e818c80e6d5c
Parent:
0:3d456b8ce449 
Funciones de memoria RAM introducidas.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JuanManuelAmador 0:3d456b8ce449 1 #include "Buffering.h"
JuanManuelAmador 0:3d456b8ce449 2
JuanManuelAmador 0:3d456b8ce449 3 Buffering::Buffering()
JuanManuelAmador 0:3d456b8ce449 4 {
JuanManuelAmador 0:3d456b8ce449 5 for(int i = 0; i < BUFFERSIZE; i++){
JuanManuelAmador 0:3d456b8ce449 6 data[i] = 0;
JuanManuelAmador 0:3d456b8ce449 7 }
JuanManuelAmador 0:3d456b8ce449 8 windex = 0;
JuanManuelAmador 0:3d456b8ce449 9 rindex = 0;
JuanManuelAmador 0:3d456b8ce449 10 full = false;
JuanManuelAmador 0:3d456b8ce449 11 empty = true;
JuanManuelAmador 0:3d456b8ce449 12 bufSize = BUFFERSIZE;
JuanManuelAmador 0:3d456b8ce449 13 }
JuanManuelAmador 0:3d456b8ce449 14
JuanManuelAmador 0:3d456b8ce449 15 void Buffering::put(int16_t val)
JuanManuelAmador 0:3d456b8ce449 16 {
JuanManuelAmador 0:3d456b8ce449 17 if(!full)
JuanManuelAmador 0:3d456b8ce449 18 {
JuanManuelAmador 0:3d456b8ce449 19 data[windex] = val;
JuanManuelAmador 0:3d456b8ce449 20 windex++;
JuanManuelAmador 0:3d456b8ce449 21 empty = false;
JuanManuelAmador 0:3d456b8ce449 22 if(windex >= bufSize)
JuanManuelAmador 0:3d456b8ce449 23 {
JuanManuelAmador 0:3d456b8ce449 24 windex = 0;
JuanManuelAmador 0:3d456b8ce449 25 }
JuanManuelAmador 0:3d456b8ce449 26 if(getDif() >= bufSize - 1){
JuanManuelAmador 0:3d456b8ce449 27 full = true;
JuanManuelAmador 0:3d456b8ce449 28 }
JuanManuelAmador 0:3d456b8ce449 29 /*if(windex >= rindex)
JuanManuelAmador 0:3d456b8ce449 30 {
JuanManuelAmador 0:3d456b8ce449 31 full = true;
JuanManuelAmador 0:3d456b8ce449 32 }*/
JuanManuelAmador 0:3d456b8ce449 33 }
JuanManuelAmador 0:3d456b8ce449 34 }
JuanManuelAmador 0:3d456b8ce449 35
JuanManuelAmador 0:3d456b8ce449 36 int16_t Buffering::get()
JuanManuelAmador 0:3d456b8ce449 37 {
JuanManuelAmador 0:3d456b8ce449 38 int16_t temp = 0;
JuanManuelAmador 0:3d456b8ce449 39 if(!empty)
JuanManuelAmador 0:3d456b8ce449 40 {
JuanManuelAmador 0:3d456b8ce449 41 temp = data[rindex];
JuanManuelAmador 0:3d456b8ce449 42 data[rindex] = 0;
JuanManuelAmador 0:3d456b8ce449 43 full = false;
JuanManuelAmador 0:3d456b8ce449 44 rindex++;
JuanManuelAmador 0:3d456b8ce449 45 if(rindex >= bufSize)
JuanManuelAmador 0:3d456b8ce449 46 {
JuanManuelAmador 0:3d456b8ce449 47 rindex = 0;
JuanManuelAmador 0:3d456b8ce449 48 }
JuanManuelAmador 0:3d456b8ce449 49 if(getDif() == 0){
JuanManuelAmador 0:3d456b8ce449 50 empty = true;
JuanManuelAmador 0:3d456b8ce449 51 }
JuanManuelAmador 0:3d456b8ce449 52 /*if(rindex >= windex)
JuanManuelAmador 0:3d456b8ce449 53 {
JuanManuelAmador 0:3d456b8ce449 54 empty = true;
JuanManuelAmador 0:3d456b8ce449 55 }*/
JuanManuelAmador 0:3d456b8ce449 56 }
JuanManuelAmador 0:3d456b8ce449 57 return temp;
JuanManuelAmador 0:3d456b8ce449 58 }
JuanManuelAmador 0:3d456b8ce449 59
JuanManuelAmador 0:3d456b8ce449 60 bool Buffering::isFull()
JuanManuelAmador 0:3d456b8ce449 61 {
JuanManuelAmador 0:3d456b8ce449 62 return full;
JuanManuelAmador 0:3d456b8ce449 63 }
JuanManuelAmador 0:3d456b8ce449 64
JuanManuelAmador 0:3d456b8ce449 65 bool Buffering::isEmpty()
JuanManuelAmador 0:3d456b8ce449 66 {
JuanManuelAmador 0:3d456b8ce449 67 return empty;
JuanManuelAmador 0:3d456b8ce449 68 }
JuanManuelAmador 0:3d456b8ce449 69
JuanManuelAmador 0:3d456b8ce449 70 int Buffering::getSize()
JuanManuelAmador 0:3d456b8ce449 71 {
JuanManuelAmador 0:3d456b8ce449 72 return bufSize;
JuanManuelAmador 0:3d456b8ce449 73 }
JuanManuelAmador 0:3d456b8ce449 74
JuanManuelAmador 0:3d456b8ce449 75 unsigned int Buffering::getWritingIndex()
JuanManuelAmador 0:3d456b8ce449 76 {
JuanManuelAmador 0:3d456b8ce449 77 return windex;
JuanManuelAmador 0:3d456b8ce449 78 }
JuanManuelAmador 0:3d456b8ce449 79
JuanManuelAmador 0:3d456b8ce449 80 unsigned int Buffering::getReadingIndex()
JuanManuelAmador 0:3d456b8ce449 81 {
JuanManuelAmador 0:3d456b8ce449 82 return rindex;
JuanManuelAmador 0:3d456b8ce449 83 }
JuanManuelAmador 0:3d456b8ce449 84
JuanManuelAmador 0:3d456b8ce449 85 unsigned int Buffering::getDif()
JuanManuelAmador 0:3d456b8ce449 86 {
JuanManuelAmador 0:3d456b8ce449 87 unsigned int dif = 0;
JuanManuelAmador 0:3d456b8ce449 88 if((int)(windex-rindex)>=0) { dif = windex-rindex; }
JuanManuelAmador 0:3d456b8ce449 89 else { dif = bufSize+windex-rindex; }
JuanManuelAmador 0:3d456b8ce449 90 return dif;
JuanManuelAmador 0:3d456b8ce449 91 }